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3 Sheets-Sheet 1.

' INA/EN TERE (Model.) 1

E. WOODWARD 8v M. BROCK. Machine for Making Tack Strips.- No. 230,386. Patented July/20,1880.

(Model.) n s sheets-sheet 2.

y AIE. WOODWARD & M. BROCK.

Maohinefor Making Tack Strips.-

No. 230,386. Ptemed my 20,1880.

WITN EESES j @QM/7W N. PETEs. PH rupsen. ms

Sheets-Sheet 3. E. WOODWARDv 8v M. BRfOCKf i Machine for Making Tack. Strips.`

(Model.)

lPa'cen-*ceed Juifs/20,1880.

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UNITED 4STATES PATENT OFFICE.

EBASTUS WOODWABD AND MATTHIAS'BROOK, OF BOSTON, MASS.

MACHINE FOR MAKING TACK-STRIPS.

SPECIFICATION forming part ofLetters Patent No. 230,886, dated July 20, 1880.

Application filed March 29, 1.880. (Model.)

To all whom it may concern:

Be it known that we, ERAsrUs WooDwARD and MATTHIAS BROOK, both of Boston,.in the county ofSuiiolk an d Oom mon wealth of Massachusetts, have invented a new and useful- Improvementin Machines forMaking Tack-Strips, of which the following is a specification.

This invention relates to a machine for makand for inserting therein, at a uniform distance.

nart, the tacks; means for preventing thefeed- `of the strip, except when a tack is inserted; and means for applying and cementing a thin strip ot' paper or other flexible material to the taf-.k connecting strip, all which will hereinalter be more fully described.

Reference is made to the accompanying drawings, forming a part ofthis specification, in explaining the nature of this invention, in which- Figure 1 is a front elevation of the machine. Fig. 2 is a vertical section of the device for applying the covering-strip to the head-connecting strip. Fig. 3 is a plan ofthe machine with a portion ot' the carrying and feed wheels broken out to show the construction beneath. Figs. 4, 5, and 6 show the mechanism for feeding the tack-strip, and also for preventing the feeding unless a tack is inserted in the strip. Fig. 7 is an enlarged plan of the index, feedwheel, and grooved bed. Fig. 8 shows the tack-strip in process of con struction.

The mechanism for feeding the tacks fromr the hopper A to the intermittently-revolving tack-carrying disk B is shown and described in Letters Patent (among others) to Reed, No. 41,125, of 1864.

The tack-carrying disk B is provided with the grooves or notches b upon its periphery, each of which is adapted to receive a tack from the feed race or chute, and to deliver it to a point adjacent to the throat, through which it is driven into the tack-strip.

A curved plate, b', extending partially around i the disk B,serves to hold the tacks in place in the grooves or notches.

As the tackcarrying disk revolves horizontally, it is necessary that there should be a device for dislodging the tack from the groove or notch when it'has been advanced to a point opposite thevertical throat O, and for this purpose we arrange the transferrer D, which is curved, substantially as represented, and provided with an intermittent motion to and from the throat, so timed that upon the presentation of the tack by the carrying-disk to a position opposite the throat the transt'errer, by a slight horizontal movement, pushes the tack from the notch (which opens into the throat) into the throat. It is provided with this intermittent reciprocating movement by means ofthe lever d, pivoted at d to a bracket extending outwardly from the frame of the machine, and the cam cl2 on the cross-head d3, the4 pin d4, and spring d5.

A driver, E, is reciprocated in the throat O by'means of the crank e upon the main shaft e', the lever e2, which is pivoted at e3 to the frame of thev machine, and whichis reciprocated vertically by meansv of the crank and a connecting-block, c4, which slides thereon, and the rod c5, to the lower end of which the driver is fastened, and which is attached to the end ofthe lever c2. l

The cross-head d3, which slides upon the ways e6, and which is .provided with the slot e", in which the end of the lever ez projects, forms the connection between the rod c5 and the operating-lever.

As the movement of the end ot' the lever is upon an arc of a circle, and as the rode5 has a direct vertical movement, it is necessary that the connection between the two should be loose in order to allow a slight horizontal movement of the lever. v

The strip for receiving the tacks is drawn from the supply-roll F over a horizontaly bed beneath the throat by means of the feedwheels G G', each of which is provided with grooves or notches g, which are adapted to engage with the shanks of the tacks, and the Wheels have a revolving movement in unison with that of the tack-carrying disk B.

The feed-wheel G operates the feed-wheel G by means of the gear-wheels g2 g3 g4, and

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is itself operated by means of the face-cam H on the disk h on the main shaft e', the lever h', which is pivoted at midway of its length to the frame ot' the machine, and the connecting-bar h2, lever h3, lever h4, pawl h5, ratchetwheel h, and a connecting mechanism between the levers 71,* and h3, which is operated by the tack as it is driven into the tack-strip. If the tack is not driven, the lever h3 is moved, but the lever h4 remains stationary. rlhis connecting mechanism consists in the latch M, which is provided with a slight vertical Inoveinent in suitableways m on the end of the arm h7 of the lever h4. This latch carries a small post, m', having a socket, m2, in its upper face, and it projects into the lower end ofthe throat C. A spring, m3, serves to hold the latch in position. The latch is further provided with a long recessnn, and with a notch, m5, and they are so arranged that the recess m4 is on a line with the projecting' part fm of the leverhf, so that unless the latch Mis moved downwardly the lever h3, by moving into the A recess m4, fails to operate the lever h4. In case, however, the tack is inserted into the strip,

its point comes in contact with the socket m2` on the post m before the head is seated upon the strip, and by its further descent the latch M is driven downwardly against the stress of i the spring m3, and the notch 'm5 then comes in line with the lever h3, and upon the movement of the last-named lever the lever n* is caused to move, thereby enabling' the pawl 11,5 and ratchet 71, to turn the feed-wheel G and the train of gear-wheels connected therewith the distance between two notches or grooves.

A spi'ing, 11,8, one end ot which is fastened to the outer end of the pawl and the other end to the outerend of the arm h9 of the lever h4, serves to keep the pawl in contact with the ratchet, and the spring h1, connecting the outer part of the arm hf with the frame of the machine, serves to return the lever h4 to its original position afler its movement by the lever h3.

The spring It, connecting the end of the lever h3 with the frame of the machine, serves to hold the upper end of the lever h in contact with the cam H.

The tension of the spring h1" may be regulated by the set-screw 7012, and that of the spring It by the set-screw hm.

An adjustable stop, It, is provided for the purpose of limiting the range of movement of the lever hf.

A bed, N, provided with a groove, n, furnishes the support for the tack-strip and a guide for the tacks,'the upper surface ofthe bed furnishing the support andthe groove the guide; and by means of the feed-wheels G G' and the tacks the strip is fed over this bed to the pressure-roll O, which is arrangd immediately above the edge of the 'feed-wheel G. This pressure-roll is used for compressing the strip o, which is taken from the supply-roll o', and covered with cement by the brush or sponge c2 upon the upper surface of the tackstrip. The said pressure-roll is provided with an elastic or compressible working-surface, o, and has a bearing upon the stud o, which projects outwardly from theiplate o5, which is arranged to slide in the post o, and which is held down by the spring 07, which surrounds the screw o8 and bears upon the projecting portion o9 of the said plate. `The screwscrews into the post, and with it the tension upon the spring' is adjusted. The covering-strip passes from the supply-roll between the pressure-roll and the device for applying paste or cement, and is then compressed upon the strip by the pressure-roll. The paste or cement is fed to -the point o2 by means of the tube om.

The tack-carrying disk B is revolved by means of the edge cam b2 upon the nia-in shaft, the lever b3, pivoted about midway its length to the frame of the machine, and the pawl b4 and ratchet b5. Suitable springs maintain the contact of the paw] with the ratchet and the lever with its operating-cam.

As the block e4 slides upon the lever e2, it may be desirable to relieve the friction by means of anti-friction rolls e8. y

The operation ofthe machine is as follows: The loose tacks are deposited in the hopper. They are fed from thence to the tack-carrying disk, and by the notches upon its periphery are advanced in regular order to a point opposite the throat, and are then thrown into the throat by the transferring mechanism, and driven, upon the descent of the driver, into the tack-strip beneath it.

The notch in the carryingdisk, the center of the feedway, andthe notch in the feedwheel G must registerthat is, they must be upon'the same vertical line.

The tack-strip is fed at first bythe feedwheel G, and finally by the feed-wheels G G. The notches therein engage with the Shanks of the tacks. The feed-wheel G', ofcourse, must have the same movement that is provided the feed-wheel G, and the notches` be the same distance apart as the notches in the said wheel G. The covering-strip is then ce mented and applied.

If for any reason a notch or groove in the carrying-disk B is unprovided with a tack, the feeding of the tack-stripl is stopped until the next tack in order is inserted into the strip.

It will be observed that the feature in this machine that provides for the stopping of the mechanism for feeding the tack-strip in case the tack is not inserted into the strip is of very great importance, as without it it would be impossible to place the tacks in the strip with that regularity and precision which alone render the strip of value.

We do not intend to confine ourselves to the IOO IIO

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specific mechanism herein described for op- Having thus fully described our invention, We claim and-desire to secureby Letters Patent of the United States- 1. In a machine for the manufacture of tackstrips, the combination of atack-carrying disk for advancing tacks to the throat'of the machine, the throat and the tack-driving mechanism, a bed or support for the strip into which tacks are driven, and the notched feeding-Wheel which feeds the tack-strip by Iengagin g with the driven tack, substantially as and for the purposes described.

2. In a machine for making tack-stri ps, the combination of a tack-carrying disk for advancing tacks to the throat ofthe machine,

a device for transferring the tack from the disk to the throat, the throat and the tack-drivin g mechanism, the bed for supporting the strip into which the tacks are driven, and a notched feeding-wheel for feeding the tack-strip by means of the driven tacks, all arranged to operate substantially as and for the purposes described.

3. In a machine for manufacturing tackstrips, the combination" of a device for delivering the tacks at the throat of the machine in regular succession, a driving device for inserting the tacks in thetack-connectingstrip, abed for supporting and guiding the strip to a position to receive the tacks, and a notched feeding-wheel adapted to enga-ge with the driven tack and to feed the strip by'means thereof, substantially as described.

4.- In a machine for the manufacture of tackstrips, the combination of the mechanism for inserting' tacks into the strip, a grooved bed, N, for supporting and guiding the tack-strip, and a device for feeding the tack-strip beneath the tack-inserting mechanism, substantially as and for the purposes described.

5. In a machine for the manufacture of tackstrips, the combination of mechanism for feeding the tacks in succession to the tack-driving devices, the said tack-driving devices, appliancestor feeding the tack-strip to the tackdriving devices, and mechanism for preventing the movement of the feeding appliances in `cz se the tack is not inserted into the strip, substantially as and for the purposes described.

(i. The combination, iu a machine for the manufacture of tack-strips, vof a tack-carrying device for advancing the tacks to the tackdrivin g mechanism',the said tack-drivin g mechanism, the grooved bed for supporting and guiding the tack-strip to the tack-dri ving mechanism, the feed-Wheel, and mechanism Where-vr by, upon the failure of the tack-carrying deand inserting tacks in the tack-strip, and for feeding the tack-strip with the pressure-roll O, andthe pasting or cementin g device o2, allarranged to operate substantially as described.

8. In a machine for the manufacture of tackstrips, a device for applying a covering-strip roll O, pasting device o2, the feed-wheel G', and bed N, substantially as described.

9. Ina machine for the manufacture of tackstrips, .the device, substantially as described,

imparting movement tothe device forl operating the feeding mechanism, and said lastnamed device adapted to be moved onlyby the tack during its insertion into the tack-` strip, in making said connection, and to automatically disconnect said operative devices after the insertion of each tack, substantially as and for the purposes 'set forth. v

10. In a machine for the manufacture of tackstripsthe combination of the lever h3, the leverJL, and the latch M, for connecting and t '7s located in the throat of the machine, for connectin g and disconnecting the mechanism forv disconnecting said levers operated by the tack in making the connection vand automatically disconnecting said-levers, substantially as described.

l1. In a machine for the manufacture of tackf strips, the combination of the lever h4 and the latch M, arranged to be moved on the end thereof, as indicated, and provided'with the recess m4 and notch m5 and the lever t3alll arranged to operate substantially as described.

12. In a machine for the-manufacture of ltackstrips, the latch M, provided with the post m',

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adapted to enter the throat, and having a cupshaped recess in its upperA surface, substantially as and for the purposes set forth.

13. In a machine for themanufacture of tackstrips, the combination of the lever h4, carrying the latch M, with the adjustable stop h1, for adjusting the position of the latch in relation to the throat of the machine, substantially as described.

ERASTUS WOODWARD. MATTHIAS BROCK.

Vitnesses F. F. RAYMOND, 2d, M. W. SAWYER.

7,0 to the tack-strip, consisting of the pressure- 

